<div id="login" class="login_wrapper">
	<div class="animate form login_form">
		<section class="login_content">
			<form action="javascript:void(0);">
				<h1>*** 管理系统登录</h1>
				<div>
					<input
						type="text"
						v-model="user.userName"
						class="form-control"
						placeholder="User Name"
						required=""
					/>
				</div>
				<div>
					<input
						type="password"
						v-model="user.password"
						class="form-control"
						placeholder="Password"
						required=""
					/>
				</div>
				<div>
					<input
						type="text"
						v-model="user.verificationCode"
						placeholder="请输入验证码"
						class="form-control"
						style="width: 65%; float: left; margin-bottom: 0px"
					/>
					<canvas id="canvas" @click="draw()" width="100" height="36"></canvas>
				</div>
				<div style="text-align: left">
					<input type="checkbox" v-model="user.rememberMe" style="margin: 10px 0" />&nbsp;&nbsp;Remember Me
				</div>
				<div>
					<a @click="login()" class="btn btn-default submit" href="javascript:void(0);">Log in</a>
					<a class="reset_pass" href="#">Lost your password?</a>
				</div>

				<div class="clearfix"></div>

				<div class="separator">
					<p class="change_link">
						New to site?
						<a href="/register" class="to_register"> Create Account </a>
					</p>

					<div class="clearfix"></div>
					<br />

					<div>
						<h1><i class="fa fa-paw"></i> Java_Spring_Boot</h1>
						<p>©2022 All Rights Reserved. Using is a Bootstrap 3 template.</p>
					</div>
				</div>
			</form>
		</section>
	</div>
</div>
<script>
	var loginVue = new Vue({
		el: "#login",
		data: {
			user: {
				userName: "",
				password: "",
				rememberMe: false,
				verificationCode: "",
			},
			show_num: [],
		},
		methods: {
			login: function () {
				if (this.user.userName == "" || this.user.password == "") {
					layer.msg("Please input user name and password", { icon: 0 });
					return;
				}
				if (this.user.verificationCode != this.show_num.join("")) {
					layer.msg("验证码输入错误.", { icon: 0 });
					return;
				}

				console.log(this.user);

				var self = this;
				$.ajax({
					url: "/api/login",
					type: "post",
					contentType: "application/json",
					data: JSON.stringify(self.user),
					success: function (rs) {
						if (rs.status == 200) {
							window.location.href = "/common/dashboard";
						} else {
							layer.msg(rs.message, { icon: 0 });
						}
					},
					error: function (data) {
						layer.alert(data.responseText, { icon: 0 });
					},
				});
			},
			draw: function () {
				var canvas_width = $("#canvas").width();
				var canvas_height = $("#canvas").height();
				var canvas = document.getElementById("canvas"); //获取到canvas的对象
				var context = canvas.getContext("2d"); //获取到canvas画图的环境
				canvas.width = canvas_width;
				canvas.height = canvas_height;
				var sCode = "A,B,C,E,F,G,H,J,K,L,M,N,P,Q,R,S,T,W,X,Y,Z,1,2,3,4,5,6,7,8,9,0";
				var aCode = sCode.split(",");
				var aLength = aCode.length; //获取到数组的长度

				for (var i = 0; i <= 3; i++) {
					var j = Math.floor(Math.random() * aLength); //获取到随机的索引值
					var deg = (Math.random() * 30 * Math.PI) / 180; //产生0~30之间的随机弧度
					var txt = aCode[j]; //得到随机的一个内容
					this.show_num[i] = txt.toLowerCase();
					var x = 10 + i * 20; //文字在canvas上的x坐标
					var y = 20 + Math.random() * 8; //文字在canvas上的y坐标
					context.font = "bold 23px 微软雅黑";

					context.translate(x, y);
					context.rotate(deg);

					context.fillStyle = this.randomColor();
					context.fillText(txt, 0, 0);

					context.rotate(-deg);
					context.translate(-x, -y);
				}
				for (var i = 0; i <= 5; i++) {
					//验证码上显示线条
					context.strokeStyle = this.randomColor();
					context.beginPath();
					context.moveTo(Math.random() * canvas_width, Math.random() * canvas_height);
					context.lineTo(Math.random() * canvas_width, Math.random() * canvas_height);
					context.stroke();
				}
				for (var i = 0; i <= 30; i++) {
					//验证码上显示小点
					context.strokeStyle = this.randomColor();
					context.beginPath();
					var x = Math.random() * canvas_width;
					var y = Math.random() * canvas_height;
					context.moveTo(x, y);
					context.lineTo(x + 1, y + 1);
					context.stroke();
				}
			},
			randomColor: function () {
				var r = Math.floor(Math.random() * 256);
				var g = Math.floor(Math.random() * 256);
				var b = Math.floor(Math.random() * 256);
				return "rgb(" + r + "," + g + "," + b + ")";
			},
		},
		mounted: function () {
			this.draw();
		},
	});
</script>
